準備做某事用英語怎麼表達

The whole class is working hard preparing for the exams.

全班都在努力用功準備考試。

I'm not prepared to discuss this on the phone.

我不想在電話裏談論此事。

Parents play a crucial role in preparing their child for school.

父母對孩子做好上學的準備起着至關重要的作用。

I had no time to prepare.

我當時沒時間準備。

The college prepares students for a career in business.

這個學院是培養商務人才的。